By John Bracy & Liu Xing-Han. 8.5" x 11", 139 pg, paperback. In this history and instructional guide, John Bracy and Liu Xing-Han, the oldest living master of Ba Gua, describe Ba Gua's relationship to the I-Ching and how Taoist yoga came to be connected. More than a hundred photos help observe correct and incorrect postures. Especially valuable is the primer on Walking the Circle, a fundamental exercise in Ba Gua.